Process for the manufacture of polyester yarns
US4338275A · kind A · utility
9Cited by
7References
5Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 24, 1980 |
| Grant date | Jul 6, 1982 |
| Priority date | — |
| Expiry date | Jul 24, 2000 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD01D5/098
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
Manufacture of polyester yarns by a high speed draw spinning process in which the yarns are passed through defined fluid environments. Yarns are comparable in properties with conventional spin-lag-draw hot relax yarns.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.